Burning crazy oil
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Joined: Dec 2020
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Burning crazy oil
Ive owned my 1993 F-250 regular cab long bed N/A 5 speed with 130k miles since Thanksgiving 2020. I put new tires on it the after I bought it, changed the oil and that’s that’s about it. I’ve put probably less than 500 miles on it due to the cold winter days we’ve had in ND this year. It doesn’t leak one drop of oil on the ground, nothing. There is however old oil build up around the valve covers, exhaust manifolds and oil filter area. I went to check the oil the other day it was damn near 3 quarts low. Wtf right? Now I figure it’s been burning the oil like crazy. It smokes pretty good upon start up, it’s mainly white and I haven’t seen that bluish color that people talk about. What do I do? Think it’s worth tracking down and fixing the problem if it’s burning that bad? Or just cut my loss and let her go?
Posting Guru
Joined: May 2015
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Fill it up to the bottom of the crosshatch area and see if it moves then.
Alot of people myself included noticed if you fill it all the way to the top of the crosshatch it quickly gets rid of it til almost the ad mark then doesn't really move at all.
CDR will not cause this issue. It's open unless it detects vacuum and then closes to prevent the engine from sucking up excess oil and running away.
No way in any shape or form will a cdr cause oil consumption because it just doesn't have the ability to keep oil from passing by it unless it shuts from a clogged air filter.
Alot of people myself included noticed if you fill it all the way to the top of the crosshatch it quickly gets rid of it til almost the ad mark then doesn't really move at all.
CDR will not cause this issue. It's open unless it detects vacuum and then closes to prevent the engine from sucking up excess oil and running away.
No way in any shape or form will a cdr cause oil consumption because it just doesn't have the ability to keep oil from passing by it unless it shuts from a clogged air filter.
Scope Wizard
Joined: May 2019
Posts: 6,530
Likes: 25
I agree with DOC here too.......
here is a good write up on the CDR https://www.oilburners.net/threads/cdr-explained.63606/
at the end of that post is common reasons for excessive oil use.
here is a good write up on the CDR https://www.oilburners.net/threads/cdr-explained.63606/
at the end of that post is common reasons for excessive oil use.
Elder User
Joined: May 2018
Posts: 695
Likes: 22
You have no idea of blowby unless you first block off the CDR since most all blowby is routed through it. Then blowby is checked with a manometer to see if it's within specs. And like DOC posted, a CDR can't cause oil consumption.
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Mountain Pass
Joined: Apr 2020
Posts: 189
Likes: 25
I'm told that AutoRx has been effective in IDI's for reducing oil consumption. But I agree - a "full" sump diminishes quickly in my limited experience, but not so much in a linear manner.
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Cross-Country
Joined: Oct 2020
Posts: 75
Likes: 11
From: Bellingham
Any more info on this? If I remember right, when my oil was refilled at the last oil change, it took more than what the manual said to get the oil level to the full mark on the dipstick.
Posting Guru
Joined: May 2015
Posts: 2,036
Likes: 5
I've had good luck with everything except shell rotella t, for whatever reason with a warm motor it consumed that stuff quicker than anything else.
My preferred oil is Mobil delvac 15-40 super, it's cheap and is a synthetic blend with better wear protection than shell rotella t-5 for five bucks less a gallon..
I also run the powerpoke fl-1995 filter, it's 10$ at either Walmart or O'Reilly and it takes an extra quart over stock.
Cross-Country
Joined: Oct 2020
Posts: 75
Likes: 11
From: Bellingham
That's very interesting to know. Mine definitely burned down to the bottom of the hashes and if it does it again, I'm not topping off unless it burns further. I used Valvoline Premium Blue 15W40 at last oil service and plan to switch to Delo 400 next time. I'm using the OEM Motorcraft filters.
Scope Wizard
Joined: May 2019
Posts: 6,530
Likes: 25
you don't add oil til it hits the add mark.... as long as it's in the cross hatch all good. there is no point to try keep the level to the top of the cross hatch.
I just run the standard Rotella T4 no issues https://rotella.shell.com/en_us/prod.../t4-15w-40.pdf
I just run the standard Rotella T4 no issues https://rotella.shell.com/en_us/prod.../t4-15w-40.pdf
Fleet Mechanic
Joined: Sep 2016
Posts: 1,519
Likes: 224
From: Nevada
Where do you find this Crazy Oil? I`ve been to every parts store in town.
No one has heard of it.
I use Wally World`s 15/40 brand oil. Buy in the 2 gallon jugs, been using
it a long time. Around $20 a jug, along with the Motorcraft FL-1995 filter.
$9.44 plus tax at Wally World.
Charlie
No one has heard of it.
I use Wally World`s 15/40 brand oil. Buy in the 2 gallon jugs, been using
it a long time. Around $20 a jug, along with the Motorcraft FL-1995 filter.
$9.44 plus tax at Wally World.
Charlie
Scope Wizard
Joined: May 2019
Posts: 6,530
Likes: 25
Where do you find this Crazy Oil? I`ve been to every parts store in town.
No one has heard of it.
I use Wally World`s 15/40 brand oil. Buy in the 2 gallon jugs, been usingy
it a long time. Around $20 a jug, along with the Motorcraft FL-1995 filter.
$9.44 plus tax at Wally World.
Charlie
No one has heard of it.
I use Wally World`s 15/40 brand oil. Buy in the 2 gallon jugs, been usingy
it a long time. Around $20 a jug, along with the Motorcraft FL-1995 filter.
$9.44 plus tax at Wally World.
Charlie
I use the same Motorcraft FL-1995 but I buy the Shell Brand oil at wally too
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